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  #11  
Old 07-14-2014
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Re: What the heck is this?

Quote:
Originally Posted by newhaul View Post
Looks like some kind of power converter/ regulator it has an on and off switch and internal fuse where do the white and green wires go to and any idea what the other side looks like? After blowing up the pic some I would say power converter leads 1&4 go to a meter and lead 2 says positive and lead 3 negative flip the switch and see what a multimeter says is the output.
Looks like function may be related to RF so is there a coax cable connected to the other side of the thing?
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Re: What the heck is this?

Ignore it and go sailing, switch it on if you like, if it smokes, turn it off and repeat step one.
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Old 07-14-2014
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Re: What the heck is this?

Maybe part of a thermostat system or equivalent?, if the boat has/had a heater or A/C of some sorts?

Maybe check with a meter for battery voltage & the "meter leads' for continuity. If there is no voltage with all accessories operating or a resistance reading on the meter leads, it probably isn't part of anything. Before ripping it out, take the leads off & if everything else continues to work, it is probably OK to remove it. Or, you can just leave it alone.
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Old 07-15-2014
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Re: What the heck is this?

Maybe for a refrigerator unit?
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Re: What the heck is this?

There is no way to say what it is with the info provided.

However, consider this....
The meter wires are really small telephone wires, 22 or 24AWG. they can't carry much current.

The Batt wires look to be power INTO the devise as they are next to the fuse and ON/OFF switch. They too are small so it does not draw a lot of power.

At best it's a poor installation.

The ON/OFF switch is off. So it was not working before, and you didn't miss it, so it's likely not useful or something you want.

If you can get a pic of the other face and see what comes out there.

While I can't tell you what to do, I would rip it out. Gleefully. It would annoy me until I found out what it was.

My motto is be BOLD and ditch it. If I have ever been burned by this approach I have forgotten the incident.

If it's not working it can only cause trouble, if only to confuse you in the future.
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Old 07-15-2014
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Re: What the heck is this?

It certainly will be coming out, I can't stand anything but simplicity and this upsets the engine compartment's feng shui. I'm just curious what it is.
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Old 07-15-2014
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Re: What the heck is this?

Mystery solved, I got in there this afternoon and pulled it out along with a huge amount of wiring. On the back side it's clearly labeled and is some sort of control box for an old fathometer that I yanked out when I re-cored the cockpit.

Unfortunately, I got a little overzealous with the old wiring purge because I cut my VHF antenna cable. Oops!



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Re: What the heck is this?

That must have been a really old unit. Thanks for the feedback, always interesting.

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Old 07-15-2014
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Re: What the heck is this?

Coax can be spliced or fitted with new connectors and rejoined. The good news is, if it wasn't premium coax to start with and it was well over five or ten years old...it should be replaced anyway. And the antenna checked or replaced as well.
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Old 07-17-2014
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Re: What the heck is this?

Sooooo...What you're really saying is that you did a shoddy job of removing the old fathometer???
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